Timothy Jenkins LLC. is located in Billerica, Ma. We specialize in Exterior Renovations such as Roof replacement, Siding replacement, Deck Builds , Window and Door installs, and Gutter installation. We offer industry leading warranties and stand behind all of our work. All of our work is handled in house and the quality and care is proof of that. We plan to service the Middlesex county and beyond for many years to come and plan to do that by building lasting relationships with our clients and performing only the highest quality of work. 

We hold a Construction Supervisor License and Home Improvement Contractors License, and are also fully insured.​ Please consider us for your next project. We promise to deliver beautiful lasting results, and a completely stress free process!